the grouping of people into different levels or ranks according to their power or importance within a society or system
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等级制度
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the systematic classification of plants and animals, based on their shared characteristics and evolutionary relationships
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分类学
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a taxonomic rank below species that represents a distinct population within a species, exhibiting consistent differences from other populations
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亚种
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a taxonomic rank used in biological classification that is lower than a tribe and higher than a genus
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亚族, 亚类
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a taxonomic rank used to classify organisms that is below kingdom and above class
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界, 分类学层次
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a taxonomic rank below that of subspecies and refers to distinct forms of a species that differ in minor ways
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品种
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a collection of organisms within a species that have small differences from other similar groups
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形态, 种
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a taxonomic rank that comes between class and order, and includes one or more related orders
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亚级
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a taxonomic rank that is used to group related orders within a subclass or class of organisms
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超目
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a taxonomic rank below the order level and above the family level, comprising closely related families of organisms
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超科, 超家庭
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a distinct and broad type of habitat or ecological region occupied by various animal species, characterized by specific environmental conditions and biological communities
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领域, 境界
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the collective existence of living organisms and their characteristics, such as growth, reproduction, adaptation, and response to stimuli
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生活, 生存
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the highest taxonomic rank of organisms, above the kingdom level, which groups organisms based on their molecular, biochemical, and structural characteristics
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域, 分类域
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the highest taxonomic classification that categorizes organisms, comprising five major biological groups
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王国, 界
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(biology) any of the groups that plants, animals, etc. with similar characteristics are divided into, which is larger than a species and smaller than a family
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属, 组
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a group that animals, plants, etc. of the same type which are capable of producing healthy offspring with each other are divided into
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物种, 种类
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a method of classification in biology that groups organisms based on their shared characteristics and evolutionary relationships
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支系分类法
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something that is considered typical of a person, place, or thing and identifies them
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特征, 属性
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a taxonomic category that ranks below the family level and above the genus level, typically consisting of related genera
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亚科
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a taxonomic rank that comes between a subfamily and a genus, consisting of one or more genera that share certain characteristics
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部落
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a taxonomic rank used in biological classification that is lower than a genus but higher than a species
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亚属
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